11143063051 has 4 divisors (see below), whose sum is σ = 11144550600. Its totient is φ = 11141575504.

The previous prime is 11143063031. The next prime is 11143063073. The reversal of 11143063051 is 15036034111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11143063051 is a prime.

It is a super-2 number, since 2×11143063051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143063031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732481 + ... + 747538.

It is an arithmetic number, because the mean of its divisors is an integer number (2786137650).

Almost surely, 2^11143063051 is an apocalyptic number.

11143063051 is a deficient number, since it is larger than the sum of its proper divisors (1487549).

11143063051 is an equidigital number, since it uses as much as digits as its factorization.

11143063051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487548.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 11143063051 its reverse (15036034111), we get a palindrome (26179097162).

The spelling of 11143063051 in words is "eleven billion, one hundred forty-three million, sixty-three thousand, fifty-one".